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        Signature
      
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        /s/ Gregory J. Quarles
      
      
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        Stock symbol
      
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        AERG
      
      
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        Transactions as of
      
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        Apr 22, 2024
      
      
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        Transactions value $
      
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        -$15,430
      
      
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        Form type
      
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        4
      
      
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        Date filed
      
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        4/24/2024, 04:32 PM
      
 
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | transaction | AERG | Common Stock, par value $0.001 per share | Options Exercise | $2.45K | +7K |  | $0.35* | 7K | Apr 22, 2024 | Direct |  | 
          
            | transaction | AERG | Common Stock, par value $0.001 per share | Sale | -$13.2K | -7K | -100% | $1.89 | 0 | Apr 22, 2024 | Direct | F1 | 
          
            | transaction | AERG | Common Stock, par value $0.001 per share | Options Exercise | $1.05K | +3K |  | $0.35* | 3K | Apr 23, 2024 | Direct |  | 
          
            | transaction | AERG | Common Stock, par value $0.001 per share | Sale | -$5.7K | -3K | -100% | $1.90 | 0 | Apr 23, 2024 | Direct | F1 | 
      
    
   
  
    Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes | 
      
      
          
            | transaction | AERG | Non-Qualified Stock Options | Options Exercise |  | -7K | -0.14% |  | 4.93M | Apr 22, 2024 | Common Stock, par value $.001 per share | 7K | $0.35 | Direct | F2 | 
          
            | transaction | AERG | Non-Qualified Stock Options | Options Exercise |  | -3K | -0.06% |  | 4.93M | Apr 23, 2024 | Common Stock, par value $.001 per share | 3K | $0.35 | Direct | F2 | 
          
            | holding | AERG | Restricted Stock Units |  |  |  |  |  | 1.95M | Apr 22, 2024 | Common Stock, par value $.001 per share |  | $0.00 | Direct | F3 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
  Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
  
    Explanation of Responses: